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Orcagna, Andrea ... ore reserve

Orcagna, Andrea: the most prominent Florentine painter, sculptor, and architect of the mid-14th century.
orchard: (from the article "pruning") ...of a plant, tree, or vine that are not requisite to growth or production, are no longer visually pleasing, or are injurious to the health or development of the plant. ...
orchard grass: (Dactylis glomerata), perennial pasture, hay, and forage grass of the family Poaceae. It has flat leaf blades and open, irregular, stiff-branched panicles (flower clusters).
orchard oriole: (from the article "oriole") ...galbula), which breeds in North America east of the Rockies; it is black, white, and golden orange. In western North America is the closely related Bullock's oriole (I. bullockii). The ...
Orchard, William Edwin: English ecumenical priest who strove for a closer understanding between Protestants and Roman Catholics. He entered Westminster College, Cambridge, to prepare for the Presbyterian ministry and in 1904 was ordained ...
Orchardson, Sir William Quiller: British portraitist and painter of historical and domestic genre scenes.
Orchelimum: (from the article "meadow grasshopper") Orchelimum (see photograph), one of the most abundant and widespread types of meadow grasshoppers, has large orange eyes and a body that is brown on top and green on the ...
orchestics: (from the article "Dienes, Valeria") ...which she called orkesztika ("orchestics"). To develop this system, she examined human movement according to what she saw as its four disciplines of orchestics: the interrelationship of ...
orchestra: (from the article "theatre, Western") The outdoor setting for performances of Greek drama traditionally comprised three areas: a large circular dancing floor (orchestra in Greek) on which the action took place and ...
orchestra: instrumental ensemble of varying size and composition. Although applied to various ensembles found in Western and non-Western music, orchestra in an unqualified sense usually refers to the typical Western music ... [19 Related Articles]
orchestral drum: (from the article "drum") ...holes in the membrane), or neck lacing (wrapping a cord around the membrane overlap). Double-headed drums were often directly cord-tensioned (i.e., through holes in the skin). Modern European orchestral drums ...
orchestral marimba: (from the article "marimba") The orchestral marimba, with metal resonators, was developed in the United States in the early 20th century by J.C. Deagan and U.G. Leedy. It is a tube-resonated instrument pitched an ...
orchestration: (from the article "orchestration") the arrangement or composition of music for instruments, especially those found in an orchestra. See instrumentation.for more general content related to this topicinstrumentation
Orchestre de la Suisse Romande: (from the article "Ansermet, Ernest") ...conducted under two outstanding figures, Felix Mottl and Arthur Nikisch. About 1914 he met Stravinsky and in 1915 he became conductor of Diaghilev's Ballets Russes. In 1918 he formed the ...
Orchestre de Paris: (from the article "Barenboim, Daniel") ...then in Australia with the Melbourne and Sydney symphony orchestras. He thereafter was guest conductor in several cities in Europe, Israel, and the United States. He served as music director ...
orchestrina di camera: any of a group of small keyboard instruments related to the harmonium, invented and made by W.E. Evans of London. He patented them on Oct. 29, 1862.
Orchha: former Rajput princely state of central India, founded in about 1500. In the early 17th century it was systematically devastated by the forces of the Mughal emperor Shah Jahan following ...
Orchha: historic town, Tikamgarh district, Madhya Pradesh state, central India, on the Betwa River. The town, surrounded by thick jungle that long made it impregnable, was founded in 1531 and served ...
orchid: any of nearly 1,000 genera and more than 22,000 species of attractively flowered plants distributed throughout the world, especially in wet tropics. Orchidaceae is a member of Asparagales, an order ... [14 Related Articles]
Orchidantha: (from the article "Zingiberales") The curious genus Orchidantha (family Lowiaceae) consists of rather small plants found in wet tropical forests. One species has quite large flowers with dull purplish sepals and creamy white labellum, ...
orchiectomy: (from the article "prostate cancer") ...or LHRH agonists, that chemically block the production of androgens. Side effects of hormone therapy may include reduced libido, abnormal growth or sensitivity of the breasts, and hot flashes. Orchiectomy, ...
orchil: a violet dye obtained from some lichens by fermentation. It is also the term for any lichen that yields orchil (Roccella, Lecanora, Ochrolechin, and Evernia) and refers to any colour ... [2 Related Articles]
Orchis: genus of orchids, family Orchidaceae, containing as many as 125 species native to Eurasia and North America. Each plant bears a single flower spike with many flowers and has egg-shaped, ...
orchitis: inflammation and swelling of the testes as a result of infection or physical injury. The testes are a pair of organs located in the scrotum of the male; they produce ... [1 Related Articles]
Orchomenus: ancient Boeotian town on a promontory on the north of the Copiac plain. The northernmost Mycenaean fortified town, it was a seat of the Minyae dynastic family and controlled a ...
Orcinus citonensis: (from the article "killer whale") The evolutionary record of the genus Orca is scanty. The earliest fossil identified as a killer whale is Orcinus citonensis from the Pliocene Epoch ...
Orcutt, Maureen: American golfer captured more than 65 amateur golf championships and often covered the events that she participated in as a sportswriter (1937-72) for the New York Times. When her ...
Orczy, Baroness Emmuska: Hungarian-born British novelist, chiefly remembered as author of The Scarlet Pimpernel, one of the greatest popular successes of the 20th century.
Ord River: river in the Kimberley plateau region, northeastern Western Australia. It rises in the Albert Edward Range and follows an easterly and northerly course for 300 miles (500 km) to Cambridge ... [3 Related Articles]
Ord River Dam: (from the article "Argyle, Lake") Formed by the Ord River Dam (1972), it has a storage capacity of 204,719,140,000 cubic feet (5,797,000,000 cubic m). The dam, fed by the 300-mile (480-kilometre) Ord River, measures 325 ...
Ord River Irrigation Scheme: (from the article "Argyle, Lake") ...cubic feet (5,797,000,000 cubic m). The dam, fed by the 300-mile (480-kilometre) Ord River, measures 325 feet (99 m) high and 1,119 feet (341 m) long. Lake Argyle is the ...
Orda: (from the article "Jochi") ...that his son was plotting his death, but Jochi died before he could take any action. Genghis Khan died six months later, and Jochi's lands were divided among his sons. ...
Ordainer: one of a committee of 21 nobles and prelates who opposed Edward II and framed a body of "Ordinances" intended to regulate his household and power.
Ordaz, Diego de: (from the article "Orinoco River") ...penetrated the Llanos southward across the Apure and Meta rivers. From the east, several Spanish expeditions ascended the river from its mouth without much success. In 1531 the Spanish explorer ...
ordeal: a trial or judgment of the truth of some claim or accusation by various means based on the belief that the outcome will reflect the judgment of supernatural powers and ... [8 Related Articles]
ordeal by combat: (from the article "ordeal") In ordeal by combat, or ritual combat, the victor is said to win not by his own strength but because supernatural powers have intervened on the side of the right, ...
ordeal by divination: (from the article "ordeal") The main types of ordeal are ordeals by divination, physical test, and battle. A Burmese ordeal by divination involves two parties being furnished with candles of equal size and lighted ...
ordeal by fire: (from the article "ordeal") The ordeal by physical test, particularly by fire or water, is the most common. In Hindu codes a wife may be required to pass through fire to prove her fidelity ...
ordeal by physical test: (from the article "ordeal") The ordeal by physical test, particularly by fire or water, is the most common. In Hindu codes a wife may be required to pass through fire to prove her fidelity ...
ordeal by water: (from the article "ordeal") The ordeal by physical test, particularly by fire or water, is the most common. In Hindu codes a wife may be required to pass through fire to prove her fidelity ...
ordeal of the bier: (from the article "ordeal") ...the owner of the candle that outlasts the other is adjudged to have won his cause. Another form of ordeal by divination is the appeal to the corpse for the ...
Ordelaffi Family: noble Italian family that ruled the town of Forli and neighbouring places in the Romagna during most of the 14th and 15th centuries. Little is known of their rise; a ...
Ordelaffi, Pino III: (from the article "Ordelaffi Family") ...of the Ordelaffi by the papal party, followed by another recovery; through the remainder of the century the family alternately seized and lost its dynastic estate, culminating in the reign ...
order: in any of several styles of classical or Neoclassical architecture that are defined by the particular type of column and entablature they use as a basic unit. A column consists ... [4 Related Articles]
order: (from the article "ordinary differential equation") ...the derivative of the derivative can also be calculated, (f')' or simply f" or d²f/dx², and is called the second-order derivative of the original function. Higher-order derivatives can be similarly ...
order in council: in Great Britain, a regulation issued by the sovereign on the advice of the Privy Council; in modern practice, however, an order is issued only upon the advice of ministers, ... [3 Related Articles]
Order in Council P.C. 1003: (from the article "organized labour") ...the border, the Canadian movement did not experience a comparable surge of organization during the Great Depression. Only in February 1944 did the wartime administration of W.L. Mackenzie King issue ...
Order No. 1: (from the article "Russian Revolution of 1917") ...soon proved that it had greater authority than the Provisional Government, which sought to continue Russia's participation in the European war. On March 1 (March 14) the Soviet issued its ...
order of interference: (from the article "spectroscopy") ...incident angle, r is the reflected or transmitted angle, d is the spacing between grating slits, lambda is the wavelength of the light, and m is an integer (usually called ...
order processing: (from the article "logistics") Order processing starts with the receipt of an order from a customer. It may be obtained by a salesperson, be telephoned in, or arrive by mail. Regular buyers and sellers ...
Order, Party of: (from the article "Argentina") Within the province of Buenos Aires itself, the regime of the so-called Party of Order instituted popular reforms, including dismantling the military apparatus that had persisted from the war. The ...
ordered pair: (from the article "set theory") The Cartesian product of two sets A and B, denoted by A × B, is defined as the set consisting of all ordered pairs (a, b) for which a ∈ A and b ∈ B. For example, ...
ordered set: (from the article "set theory") If I is an interpretation of an axiomatic theory of sets, the sentence that results from an axiom when a meaning has been assigned to "set" and "∈," as specified ...
Orderic Vitalis: English monk of Saint-Evroult in Normandy, a historian who in his Historia ecclesiastica left one of the fullest and most graphic accounts of Anglo-Norman society in his own day.
ordering: (from the article "set theory") To compare cardinal numbers, an ordering relation (symbolized by <) may be introduced by means of the definition ... if A is equivalent to a subset of B and ...
ordering: (from the article "crystal") Two kinds of ordering are found in crystalline alloys. Most alloys at low temperature are binary crystals with perfect ordering. An example is the alloy of copper and zinc. Copper ...
Orders, Conflict of the: (from the article "plebeian") ...except that of military tribune. Before the passage of the law known as the Lex Canuleia (445 BC), they were also forbidden to marry patricians. Until 287 BC the plebeians ...
Orderville: town, Kane county, southwestern Utah, U.S., on the East Fork of the Virgin River, at an altitude of 5,250 feet (1,600 metres), 18 miles (29 km) north-northwest of Kanab. Settled ...
ordinair-ozier: (from the article "ozier pattern") ...in the 1730s on Meissen porcelain tableware. It was probably one of the numerous inventions of the celebrated modeler Johann Joachim Kandler. There are four basic types of ozier molding: ...
ordinal number: (from the article "set theory") The axiom schema of replacement has played a significant role in developing a theory of ordinal numbers. In contrast to cardinal numbers, which serve to designate the size of a ...
ordinal scale: (from the article "psychological testing") ...on a football team), they constitute a nominal scale. When a set of numbers reflects only the relative order of things (e.g., pleasantness-unpleasantness of odours), it constitutes an ordinal scale. ...
Ordinance 49: (from the article "South Africa") Cape authorities overhauled their policy in 1828 in order to facilitate labour distribution and to align the region with the growing imperial antislavery ethos. Ordinance 49 permitted black labourers from ...
Ordinance 50: (from the article "Southern Africa") ...relations of a colony dependent on slaves and serfs. New regulations ensured standards of treatment and established equality before the law for "masters" and "servants." Ordinance 50 of 1828, which ...
Ordinances: (from the article "Edward II") ...hatred of the barons by granting the earldom of Cornwall to his frivolous favourite (and possible lover), Piers Gaveston. In 1311 a 21-member baronial committee drafted a document-known as the ...
ordinary: (from the article "heraldry") ...and increasing variety; as more arms are devised, new objects appear as charges-telescopes, aircraft, rolls of newsprint, and so on. Charges have been divided into two classes: the honourable ordinaries ...
ordinary chondrite: (from the article "meteorite") ...between the various stony meteorites is between those that were once molten, the achondrites, and those that were not, the chondrites. Chondrites have been subdivided into three main classes-ordinary, carbonaceous, ...
ordinary differential equation: in mathematics, an equation relating a function f of one variable to its derivatives. (The adjective ordinary here refers to those differential equations involving one variable, as distinguished from such ... [3 Related Articles]
ordinary finance: (from the article "France") ...idea that the king should live off the revenue of his own domain persisted into the 18th century and helps to explain the formal distinction made until the reign of ...
ordinary illegal act: (from the article "crime") The Chinese penal system broadly divides procedures and sanctions into criminal and administrative categories; in this way, crimes are distinguished from ordinary illegal acts. Crime is defined as behaviour punishable ...
ordinary language analysis: method of philosophical investigation concerned with how verbal expressions are used in a particular, nontechnical, everyday language. The basic source for this school of thought is the later writings of ... [8 Related Articles]
Ordinary of the Mass: (from the article "mass") The Ordinary. The Ordinary of the mass employs texts that remain the same for every mass. Those sung by the choir are, in the Latin mass, the Kyrie, Gloria, Credo, ...
ordinary portland cement: (from the article "cement") Five types of portland cement are standardized in the United States by the American Society for Testing and Materials (ASTM): ordinary (Type I), modified (Type II), high-early-strength (Type III), low-heat ...
ordinary ray: (from the article "double refraction") ...is split into two rays, each traveling in a different direction. One ray (called the extraordinary ray) is bent, or refracted, at an angle as it travels through the medium; ...
ordination: in Christian churches, a rite for the dedication and commissioning of ministers. The essential ceremony consists of the laying of hands of the ordaining minister upon the head of the ... [14 Related Articles]
Ordnance Manual of 1862: (from the article "rocket and missile system") ...they were not particularly successful. Rockets were used in a limited way in the American Civil War (1861-65), but reports are fragmentary, and apparently they were not decisive. The U.S. ...
Ordnance Survey: (from the article "map") ...beyond the means of private cartographers who had theretofore provided for most map needs. Originally exclusively military, national survey organizations gradually became civilian in character. The Ordnance Survey of Britain, ...
Ordnung: (from the article "Amish") Humility, family, community, and separation from the world are the mainstays of the Amish. Everyday life and custom are governed by an unwritten code of behaviour called the Ordnung, and ...
Ordonez, Antonio: Spanish matador, generally considered to be the first-ranked bullfighter of the 1950s and '60s. [1 Related Articles]
Ordonez, Bartolome: sculptor who was one of the originators of the Spanish school of Renaissance sculpture. Influenced by the masters of the Italian Renaissance, he evolved his own pure style, which was ...
Ordonez, Magglio: (from the article "Baseball") Magglio Ordonez of the Tigers won the AL batting title with a .363 average; Holliday won the NL title with .340. Alex Rodriguez of the Yankees collected the most home ...
Ordonnance Cabochienne: (from the article "Caboche, Simon") ...of the time. Caboche himself led a mob that besieged and took the Bastille in April 1413. The next month Charles VI issued a major ordinance for administrative reform that ...
Ordonnance Civile: (from the article "procedural law") ...was a tendency to create "nationalized" versions of the general Roman-canonical procedure prevalent in much of Europe. In 1667 in France this led to the enactment by Louis XIV of ...
Ordono I: (from the article "Kings and queens regnant of Spain") ...it was governed by the municipal corporation of Lena, but since that time it has been an independent administrative entity. The parish church of San Juan, originally established by a ...
Ordono II: (from the article "'Abd al-Rahman III") Meanwhile, 'Abd al-Rahman also had to check threats from the Christian north. The main danger came from the kingdom of Leon. An expedition commanded by Ordono II, then vassal king ...
Ordono IV: (from the article "Kings and queens regnant of Spain") After succeeding his brother, Ordono II, Sancho was overthrown by a revolt of his nobles and replaced by his cousin Ordono IV. Sancho sought help from the Umayyad caliph 'Abd ...
Ordos Plateau: plateau in the southern section of the Inner Mongolia Autonomous Region, northern China. The Ordos fills the area inside the great northern bend of the Huang He (Yellow River) and ... [1 Related Articles]
Ordosian tradition: (from the article "Stone Age") ...Upper Paleolithic sites are known in the provinces of Shansi, Shensi, and northern Kansu, in the region encompassed by the great bend of the Yellow River (Huang Ho). Collectively known ...
Ordovices: (from the article "United Kingdom") ...on by Caratacus, however, caused Scapula to occupy the lowlands beyond the Fosse Way up to the River Severn and to move forward his forces into this area for the ...
Ordovician Period: in geologic time, the second period of the Paleozoic Era. It began 488.3 million years ago, following the Cambrian Period, and ended 443.7 million years ago, when the Silurian Period ... [6 Related Articles]
Ordovician radiation: (from the article "Ordovician Period") Ordovician radiation
Ordre des Avocats: (from the article "legal profession") ...such a position, but by the time of the principate it was their legal eminence that made them respected. The English serjeants lived magnificently, especially in Elizabethan times, and the ...
Ordu: city and port, northern Turkey, on the Black Sea. It lies at the mouth of the Melet River on the eastern slopes of Boztepe (1,800 feet [550 metres]), which protects ...
Ordyn-Nashchokin, Afanasy Lavrentyevich: statesman and diplomat who became the chief adviser on foreign affairs to Tsar Alexis of Russia (ruled 1645-76).
Ordzhonikidze, Grigory Konstantinovich: communist leader who played a major role in bringing Georgia under Soviet rule and in industrializing the Soviet Union. [1 Related Articles]
ore: a natural aggregation of one or more minerals that can be mined, processed, and sold at a profit. An older definition restricted usage of the word ore to metallic mineral ... [7 Related Articles]
ore deposit: (from the article "mineral deposit") ...level of concentration and the size of the deposit, that must be reached if the deposit is to be worked at a profit. A mineral deposit that is sufficiently rich ...
ore development: (from the article "mining") The openings made in the process of extracting ore are called stopes or rooms. There are two steps involved in stoping. The first is development-that is, preparing the ore blocks ...
ore mineral: (from the article "mineral deposit") Certain kinds of mineral can be smelted more readily than others; these are commonly referred to as ore minerals. Ore minerals tend to be concentrated in small, localized rock masses ...
Ore Mountains: range of hills bounding the Bohemian Massif, extending 100 miles (160 km) along the German-Czech border, and reaching an average width of 25 miles (40 km). The Bohemian (southeastern) side ... [5 Related Articles]
ore pass: (from the article "mining") Ore that is mined on the different levels is dumped into vertical or near-vertical openings called ore passes, through which it falls by gravity to the lowest level in the ...
ore reserve: (from the article "mining") ...important to keep profit in mind. The total quantity of mineral in a given deposit is referred to as the mineral inventory, but only that quantity which can be mined ...